Used 2021 Gmc Sierra 1500 AT4

$42,271

Financing as low as $691 per month.

Key Features

Mileage

39,743

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

15 / 21

Color

Satin Steel / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

Mi

Mike Maroone Chevrolet GMC Longmont

1415 Vista View Dr

Longmont, CO 80504

By submitting this form, you agree to be contacted by the seller.

Dealer Description

Clean. GMC offers a variety of GMC Sierra 1500 models at Mike Maroone GMC in Boulder, CO. If you have been longing to get into a new GMC close to Boulder, CO, then right now is an ideal opportunity to find your next auto at a low cost, here at Mike Maroone GMC. Enjoy Free Delivery anywhere in Colorado. Our GMC Truck line is headed by the Sierra 1500, 2500 and 3500, each new GMC model can be found here at our Boulder, CO dealership. Discover your new GMC in Boulder now for a test spin of your dream car. Odometer is 41625 miles below market average!

Features & Options

  • 4WD
  • 10-Speed Automatic Transmission
  • Leather Seats
  • Heated Driver & Front Outboard Passenger Seating
  • Ventilated Driver & Front Passenger Seats
  • Heated Steering Wheel
  • Remote Vehicle Starter System
  • Keyless Open & Start
  • Dual-zone automatic climate control
  • Apple CarPlay capability
  • Android Auto capability
  • Bluetooth streaming audio capability
  • Premium GMC Infotainment System with Multi-Touch
  • SiriusXM w/360L
  • HD Rear Vision Camera
  • Trailering Package
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • In-Vehicle Trailering App
  • Off-Road Suspension
  • Skid Plates

Vehicle History Report

VIN: 1GTU9EET4MZ423589

Check this vehicle's history for accidents, service records, ownership, and more.

Seller Details

Listed 12/18/2025

View original listing
Mi

Mike Maroone Chevrolet GMC Longmont

1415 Vista View Dr

Longmont, CO 80504

Phone

866-424-2164

Location

Contact Seller

Mi

Mike Maroone Chevrolet GMC Longmont

1415 Vista View Dr

Longmont, CO 80504

By submitting this form, you agree to be contacted by the seller.

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